Number Chain Mixed Easy — Set 93

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                "start": 7,
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                        "op": "-",
                        "operand": 1
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                    {
                        "op": "-",
                        "operand": 1
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                    {
                        "op": "+",
                        "operand": 3
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                "answer": 8,
                "question": "Number Chain: 7 → -1 → -1 → +3 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 9,
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                        "operand": 2
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                        "op": "-",
                        "operand": 6
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                    {
                        "op": "-",
                        "operand": 4
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                ],
                "answer": 1,
                "question": "Number Chain: 9 → +2 → -6 → -4 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
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                "start": 10,
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                        "operand": 4
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                        "op": "+",
                        "operand": 3
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                        "op": "-",
                        "operand": 5
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                "answer": 4,
                "question": "Number Chain: 10 → -4 → +3 → -5 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 7,
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                        "op": "-",
                        "operand": 4
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                    {
                        "op": "-",
                        "operand": 1
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                    {
                        "op": "+",
                        "operand": 4
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                ],
                "answer": 6,
                "question": "Number Chain: 7 → -4 → -1 → +4 → ?",
                "difficulty": "easy"
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            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 8,
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                        "op": "-",
                        "operand": 7
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                    {
                        "op": "+",
                        "operand": 7
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                    {
                        "op": "-",
                        "operand": 5
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                "answer": 3,
                "question": "Number Chain: 8 → -7 → +7 → -5 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 8,
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                        "op": "-",
                        "operand": 2
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                        "op": "-",
                        "operand": 2
                    },
                    {
                        "op": "-",
                        "operand": 3
                    }
                ],
                "answer": 1,
                "question": "Number Chain: 8 → -2 → -2 → -3 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 1,
                "steps": [
                    {
                        "op": "+",
                        "operand": 8
                    },
                    {
                        "op": "+",
                        "operand": 5
                    },
                    {
                        "op": "+",
                        "operand": 4
                    }
                ],
                "answer": 18,
                "question": "Number Chain: 1 → +8 → +5 → +4 → ?",
                "difficulty": "easy"
            },
            {
                "type": "number-chain",
                "subType": "number-chain",
                "start": 1,
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                        "op": "-",
                        "operand": 1
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                    {
                        "op": "+",
                        "operand": 6
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                    {
                        "op": "-",
                        "operand": 4
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                ],
                "answer": 2,
                "question": "Number Chain: 1 → -1 → +6 → -4 → ?",
                "difficulty": "easy"
            }
        ],
        "layout": {
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    "outputTargets": {
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    "_archetype": "form-exercise",
    "_generatorId": "arithmetic-generator-v7.2.1"
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